./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f31be785cf3726a3cfca3e55a0470de7e92cdf0ff37aafb2e28c813a09088f83 ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:00:14,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:00:14,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:00:14,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:00:14,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:00:14,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:00:14,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:00:14,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:00:14,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:00:14,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:00:14,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:00:14,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:00:14,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:00:14,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:00:14,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:00:14,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:00:14,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:00:14,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:00:14,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:00:14,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:00:14,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:00:14,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:00:14,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:00:14,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:00:14,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:00:14,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:00:14,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:00:14,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:00:14,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:00:14,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:00:14,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:00:14,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:00:14,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:00:14,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:00:14,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:00:14,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:00:14,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:00:14,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:00:14,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:00:14,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:00:14,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:00:14,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:00:14,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:00:14,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:00:14,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:00:14,567 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:00:14,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:00:14,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:00:14,569 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:00:14,569 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:00:14,570 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:00:14,570 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:00:14,570 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:00:14,570 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:00:14,570 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:00:14,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:00:14,571 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:00:14,571 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:00:14,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:00:14,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:00:14,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:00:14,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:00:14,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:00:14,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:00:14,573 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:00:14,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:00:14,573 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:00:14,574 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:00:14,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:00:14,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:00:14,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:00:14,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:00:14,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:00:14,575 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:00:14,576 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:00:14,576 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f31be785cf3726a3cfca3e55a0470de7e92cdf0ff37aafb2e28c813a09088f83 [2021-10-21 20:00:14,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:00:14,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:00:14,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:00:14,841 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:00:14,842 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:00:14,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/floats-cdfpl/newton_1_8.i [2021-10-21 20:00:14,904 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be/data/7e466ac90/fcbb80af4cdc46e5945c5e4999347421/FLAG923a333aa [2021-10-21 20:00:15,381 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:00:15,381 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/sv-benchmarks/c/floats-cdfpl/newton_1_8.i [2021-10-21 20:00:15,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be/data/7e466ac90/fcbb80af4cdc46e5945c5e4999347421/FLAG923a333aa [2021-10-21 20:00:15,756 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be/data/7e466ac90/fcbb80af4cdc46e5945c5e4999347421 [2021-10-21 20:00:15,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:00:15,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:00:15,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:00:15,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:00:15,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:00:15,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:00:15" (1/1) ... [2021-10-21 20:00:15,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cc6090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:15, skipping insertion in model container [2021-10-21 20:00:15,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:00:15" (1/1) ... [2021-10-21 20:00:15,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:00:15,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:00:15,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/sv-benchmarks/c/floats-cdfpl/newton_1_8.i[1224,1237] [2021-10-21 20:00:15,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:00:15,935 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:00:15,954 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/sv-benchmarks/c/floats-cdfpl/newton_1_8.i[1224,1237] [2021-10-21 20:00:15,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:00:15,978 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:00:15,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:15 WrapperNode [2021-10-21 20:00:15,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:00:15,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:00:15,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:00:15,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:00:16,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:15" (1/1) ... [2021-10-21 20:00:16,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:15" (1/1) ... [2021-10-21 20:00:16,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:00:16,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:00:16,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:00:16,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:00:16,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:15" (1/1) ... [2021-10-21 20:00:16,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:15" (1/1) ... [2021-10-21 20:00:16,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:15" (1/1) ... [2021-10-21 20:00:16,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:15" (1/1) ... [2021-10-21 20:00:16,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:15" (1/1) ... [2021-10-21 20:00:16,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:15" (1/1) ... [2021-10-21 20:00:16,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:15" (1/1) ... [2021-10-21 20:00:16,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:00:16,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:00:16,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:00:16,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:00:16,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:15" (1/1) ... [2021-10-21 20:00:16,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:00:16,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:00:16,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:00:16,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:00:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:00:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:00:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:00:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:00:16,362 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:00:16,363 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-21 20:00:16,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:00:16 BoogieIcfgContainer [2021-10-21 20:00:16,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:00:16,366 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:00:16,366 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:00:16,369 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:00:16,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:00:16,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:00:15" (1/3) ... [2021-10-21 20:00:16,371 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e142601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:00:16, skipping insertion in model container [2021-10-21 20:00:16,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:00:16,372 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:00:15" (2/3) ... [2021-10-21 20:00:16,372 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e142601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:00:16, skipping insertion in model container [2021-10-21 20:00:16,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:00:16,372 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:00:16" (3/3) ... [2021-10-21 20:00:16,374 INFO L389 chiAutomizerObserver]: Analyzing ICFG newton_1_8.i [2021-10-21 20:00:16,425 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:00:16,425 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:00:16,426 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:00:16,426 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:00:16,426 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:00:16,426 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:00:16,426 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:00:16,426 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:00:16,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:00:16,458 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:00:16,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:00:16,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:00:16 BoogieIcfgContainer [2021-10-21 20:00:16,463 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:00:16,464 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:00:16,464 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:00:16,464 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:00:16,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:00:16" (3/4) ... [2021-10-21 20:00:16,468 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:00:16,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:00:16,471 INFO L168 Benchmark]: Toolchain (without parser) took 709.17 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 83.0 MB in the beginning and 102.3 MB in the end (delta: -19.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:00:16,471 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 113.2 MB. Free memory is still 68.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:00:16,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.76 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 83.0 MB in the beginning and 118.7 MB in the end (delta: -35.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:00:16,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.84 ms. Allocated memory is still 144.7 MB. Free memory was 118.7 MB in the beginning and 117.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:00:16,474 INFO L168 Benchmark]: Boogie Preprocessor took 21.10 ms. Allocated memory is still 144.7 MB. Free memory was 117.5 MB in the beginning and 116.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:00:16,475 INFO L168 Benchmark]: RCFGBuilder took 294.56 ms. Allocated memory is still 144.7 MB. Free memory was 116.5 MB in the beginning and 107.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:00:16,476 INFO L168 Benchmark]: BuchiAutomizer took 97.30 ms. Allocated memory is still 144.7 MB. Free memory was 107.6 MB in the beginning and 102.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:00:16,476 INFO L168 Benchmark]: Witness Printer took 4.40 ms. Allocated memory is still 144.7 MB. Free memory is still 102.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:00:16,481 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 113.2 MB. Free memory is still 68.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 217.76 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 83.0 MB in the beginning and 118.7 MB in the end (delta: -35.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.84 ms. Allocated memory is still 144.7 MB. Free memory was 118.7 MB in the beginning and 117.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.10 ms. Allocated memory is still 144.7 MB. Free memory was 117.5 MB in the beginning and 116.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 294.56 ms. Allocated memory is still 144.7 MB. Free memory was 116.5 MB in the beginning and 107.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 97.30 ms. Allocated memory is still 144.7 MB. Free memory was 107.6 MB in the beginning and 102.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.40 ms. Allocated memory is still 144.7 MB. Free memory is still 102.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:00:16,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a89b14-6a36-4411-8e53-5dd155977eed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...